diff --git a/contracts/asset-proxy/CHANGELOG.json b/contracts/asset-proxy/CHANGELOG.json
index 56619891b4..cbe91bd41e 100644
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "3.2.0",
+        "changes": [
+            {
+                "note": "Disallow the zero address from being made an authorized address in MixinAuthorizable",
+                "pr": 2019
+            }
+        ]
+    },
     {
         "timestamp": 1563193019,
         "version": "2.2.2",
diff --git a/contracts/utils/CHANGELOG.json b/contracts/utils/CHANGELOG.json
index b457e5c0f3..8cf9dbdc51 100644
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -29,6 +29,10 @@
             {
                 "note": "Added unit tests for all of the internal functions in the package",
                 "pr": 2014
+            },
+            {
+                "note": "Updated Ownable to revert when the owner attempts to transfer ownership to the zero address",
+                "pr": 2019
             }
         ]
     },
diff --git a/packages/utils/src/ownable_revert_errors.ts b/packages/utils/src/ownable_revert_errors.ts
index 981b3f7d88..14682cce88 100644
--- a/packages/utils/src/ownable_revert_errors.ts
+++ b/packages/utils/src/ownable_revert_errors.ts
@@ -16,10 +16,7 @@ export class TransferOwnerToZeroError extends RevertError {
     }
 }
 
-const types = [
-    OnlyOwnerError,
-    TransferOwnerToZeroError,
-];
+const types = [OnlyOwnerError, TransferOwnerToZeroError];
 
 // Register the types we've defined.
 for (const type of types) {
diff --git a/packages/utils/src/safe_math_revert_errors.ts b/packages/utils/src/safe_math_revert_errors.ts
index 57c7c8d04b..42cbf1e355 100644
--- a/packages/utils/src/safe_math_revert_errors.ts
+++ b/packages/utils/src/safe_math_revert_errors.ts
@@ -1,7 +1,6 @@
 import { BigNumber } from './configured_bignumber';
 import { RevertError } from './revert_error';
 
-
 export enum SafeMathErrorCodes {
     Uint256AdditionOverflow,
     Uint256MultiplicationOverflow,